<div id="previewAlert">
	<el-dialog title="预览" :visible.sync="show" append-to-body top="10vh" width="450px">
		<img width="100%" :src="url">
	</el-dialog>
</div>
<script type="text/javascript">
var previewAlert = new Vue({
	el:"#previewAlert",
	data() {
		return {
			show:false,
			url:''
		}
	}
})
</script>
